Saju 101 — The Free Course
Eight lessons, one continuous argument: from what a saju chart actually is to reading your own eight characters, your balance, your luck cycles, and how two charts meet. Free, and computed entirely in your browser once you're ready to try it on your own chart.
Part I — The Grammar
Lesson 1 · 6 min read
The Shape of a Moment — What Saju Actually Is
Before the elements, the pillars, or your Day Master: the single idea everything else in Korean saju is built on — that a moment in time has a shape, and yours can be read.
Lesson 2 · 5 min read
Yin and Yang: The Original Binary
You've seen the symbol everywhere — but in saju, yin and yang are precise technical terms: the two charges every character in your chart carries. Here's the real concept, minus the clichés.
Lesson 3 · 6 min read
The Five Movements: The Physics of Saju
Wood, Fire, Earth, Metal, Water — five energies, each with its own character, connected by two great cycles. Learn the generating and controlling cycles, and you hold the physics of the entire system.
Part II — Your Chart
Lesson 4 · 7 min read
How the Sky Writes Time: Stems, Branches, and the 60-Year Clock
Ten Heavenly Stems, twelve Earthly Branches, one interlocking clock — how the five movements get written into actual years, months, days, and hours. Includes the two tables that decode every character you'll ever see.
Lesson 5 · 6 min read
Your Four Pillars: Reading the Architecture
The eight positions of a saju chart each govern a domain of your life — and one of them is you. Why the Day Stem is your core self, what every other seat means, and how to read the building.
Lesson 6 · 6 min read
Strong or Weak: The Balance of You
The question every real reading starts with: how much support does your Day Master have? Learn to weigh your chart, read what's missing and what's overflowing — and what tradition says you can actually do about it.
Part III — Time and Others
Lesson 7 · 6 min read
Luck Comes in Seasons: Daeun and the Reading of Time
Your chart is fixed — your life isn't. How saju derives ten-year seasons from your month pillar, why the year adds its own weather, and why a real reading always reads all three clocks at once.
Lesson 8 · 5 min read
When Two Charts Meet: Compatibility, the Saju Way
Gunghap — Korea's celebrated compatibility reading — is the two great cycles running between people. What a good match means elementally, why 'bad' pairings aren't doom, and how to read yours.